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Income Taxes (Tables) | 6 Months Ended
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Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Details of Income Taxes | The following table provides details of income taxes:
| Three Months Ended December 31, |  | Six Months Ended December 31,
(Dollar amounts in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Income before income taxes | $ | 424,927 |  |  | $ | 415,963 |  |  | $ | 796,443 |  |  | $ | 843,531 |
Provision for income taxes | $ | 44,622 |  |  | $ | 46,863 |  |  | $ | 69,742 |  |  | $ | 78,487 |
Effective tax rate | 10.5 | % |  | 11.3 | % |  | 8.8 | % |  | 9.3 | %

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